Abstract：
:Capsaicin (1-3 microM) and electrical stimulation of mesenteric nerves in the presence of hexamethonium and guanethidine antidromically stimulate extrinsic sensory nerve fibers to produce a specific slow depolarizing response of myenteric neurons and a contractile response of muscles in the isolated guinea-pig ileum, mediated by release of substance P and acetylcholine. Adenosine (1-100 microM) inhibited the response to mesenteric nerve stimulation. Adenosine (10-100 microM) suppressed the contractile response to a threshold concentration of capsaicin (1 microM) while leaving the contractile response to a submaximal concentration of substance P (1 nM) and acetylcholine (0.1 microM) intact. Adenosine (1-10 microM) inhibited dose dependently the capsaicin 10 microM)-induced depolarization of myenteric neurons, but did not inhibit the depolarizing response to exogenous substance P. The adenosine P1 receptor antagonist, 8-phenyltheophylline (1-10 microM), antagonized the inhibitory effect of adenosine (1-10 microM) on the mechanical responses. We conclude that adenosine-induced prejunctional inhibition of the mechanical responses is mediated by adenosine P1 receptors.
journal_name
Eur J Pharmacoljournal_title
European journal of pharmacologyauthors
Takaki M,Namba T,Fujii W,Suga Hdoi
10.1016/0014-2999(93)90092-vsubject
Has Abstractpub_date
1993-06-11 00:00:00pages
51-9issue
1eissn
0014-2999issn
1879-0712pii
0014-2999(93)90092-Vjournal_volume
237pub_type
杂志文章abstract：:To define the vasorelaxation mechanism of FK409, we examined the effect of the compound on vascular tension and cyclic nucleotide levels in isolated rat thoracic aorta contracted with norepinephrine, and on activities of guanylate cyclase and cyclic GMP phosphodiesterase prepared from rat or rabbit thoracic aorta. FK4...
journal_title：European journal of pharmacology
pub_type： 杂志文章
doi：10.1016/0922-4106(93)90032-5
更新日期：1993-08-15 00:00:00
abstract：:Experiments were conducted to explore the effects of Neuropeptide FF acting at spinal and supraspinal sites in models of chronic inflammatory or neuropathic pain and of acute pain. Neuropeptide FF was administered intrathecally (i.t.; 10.0, 25.0 and 50.0 nmol) or intracerebroventricularly (i.c.v.; 10.0, 12.5 and 15.0 ...
journal_title：European journal of pharmacology
pub_type： 杂志文章
doi：10.1016/s0014-2999(00)00668-3
更新日期：2000-11-03 00:00:00
abstract：:Some effects of Org GC 94 (1,3,4,14b-tetrahydro-2,7-dimethyl-2H-dibenzo[b,f]pyrazino[1,2-d][1,4]oxazepine maleate) on human platelets have been investigated. Without pretreatment with ADP, 5-HT-induced aggregation of humam platets was completely inhibited by 2.5 x 10(-8) M of Org GC 94. Aggregation triggered by noradr...
journal_title：European journal of pharmacology
pub_type： 杂志文章
doi：10.1016/0014-2999(77)90290-4
更新日期：1977-04-07 00:00:00
abstract：:This study was purposed to explore the mechanism of augmenting apoptosis-inducing effects of cisplatin on colorectal cancer SW480 cells by stable transfection of Programmed Cell Death 5 (PDCD5) gene, both in vitro and in vivo. The expression level of PDCD5 of SW480 cells stably transfected with PDCD5 (SW480/PDCD5) and...
journal_title：European journal of pharmacology
pub_type： 杂志文章
doi：10.1016/j.ejphar.2010.09.040
更新日期：2010-12-15 00:00:00
abstract：:The effects of nicotine, carbachol, hexamethonium and scopolamine were investigated on distress vocalizations (DBs) of acutely isolated domestic chicks. Nicotine attenuated, while the antimuscarinic scopolamine increased the frequency of separation-induced DVs. Furthermore, the stress attenuating effects of nicotine w...
journal_title：European journal of pharmacology
pub_type： 杂志文章
doi：10.1016/0014-2999(81)90283-1
更新日期：1981-06-19 00:00:00
abstract：:Systemic or intracerebral administration of kainic acid in rodents induces neuronal death followed by a cascade of neuroplastic changes in the hippocampus. Kainic acid-induced neuroplasticity is evidenced by alterations in hippocampal neurogenesis, dispersion of the granule cell layer and re-organisation of mossy fibr...
journal_title：European journal of pharmacology
pub_type： 杂志文章
doi：10.1016/j.ejphar.2011.05.008
更新日期：2011-09-01 00:00:00
abstract：:Glial cells express thromboxane A(2) receptor, but its physiological role remains unknown. The present study was performed to examine thromboxane A(2) receptor-mediated morphological change in 1321N1 human astrocytoma cells. Thromboxane A(2) receptor agonists U46619 and STA(2) caused a rapid morphological change to sp...
journal_title：European journal of pharmacology
pub_type： 杂志文章
doi：10.1016/j.ejphar.2006.06.062
更新日期：2006-09-18 00:00:00
abstract：:The effect of somatostatin (SRIF) on VIP induction of SRIF secretion, cyclic AMP accumulation and 45Ca2+ influx was investigated in cultured diencephalic cells. [D-Trp8]SRIF suppressed VIP-stimulated SRIF release and decreased VIP-stimulated cyclic AMP accumulation in a dose-dependent manner. SRIF-14 blocked basal and...
journal_title：European journal of pharmacology
pub_type： 杂志文章
doi：10.1016/0014-2999(89)90852-2
更新日期：1989-02-28 00:00:00
abstract：:Although muscarinic M(2) and M(3) receptors are known to be important for regulation of gastric and small intestinal motility, muscarinic receptor subtypes regulating colonic function remain to be investigated. The aim of this study was to characterize muscarinic receptors involved in regulation of colonic contractili...
journal_title：European journal of pharmacology
pub_type： 杂志文章
doi：10.1016/j.ejphar.2011.08.034
更新日期：2011-11-16 00:00:00
abstract：:In the present report, we studied the distribution of the imidazoline-guanidinium receptive site in mitochondrial fractions from different rabbit and human tissues. Binding studies of the imidazoline-guanidinium receptive site ligand [3H]idazoxan, allowed to distinguish two groups of tissues: the first one, including ...
journal_title：European journal of pharmacology
pub_type： 杂志文章
doi：10.1016/0014-2999(92)90316-v
更新日期：1992-08-25 00:00:00
abstract：:Terfenadine and astemizole rarely cause cardiac arrhythmias by suppressing the cardiac rapid delayed rectifier K+ channel encoded by the human ether-a-go-go-related gene (HERG). Epinastine, however, has not been reported to have the adverse effect. We have therefore compared the effects of epinastine, terfenadine and ...
journal_title：European journal of pharmacology
pub_type： 杂志文章
doi：10.1016/s0014-2999(99)00375-1
更新日期：1999-06-25 00:00:00
abstract：:Tacrine and physostigmine were tested for direct nicotinic actions on Xenopus oocytes microinjected with Torpedo electroplaque membranes. In this preparation, responses to acetylcholine arise 6-8 h after microinjection, due to the incorporation of nicotinic receptors into the plasma membrane by a process not involving...
journal_title：European journal of pharmacology
pub_type： 杂志文章
doi：10.1016/s0014-2999(98)00793-6
更新日期：1998-12-18 00:00:00
abstract：:Corticotropin-releasing factor (CRF) regulates the hypothalamic-pituitary-adrenal axis, coordinates the mammalian stress response, and acting primarily via the CRF(1) receptor, has been strongly implicated in the pathophysiology of depression and anxiety. Furthermore, the behavioral and autonomic activation that occur...
journal_title：European journal of pharmacology
pub_type： 杂志文章
doi：10.1016/j.ejphar.2007.05.041
更新日期：2007-09-24 00:00:00
abstract：:The prefrontal cortex and the mediodorsal thalamic nucleus are reciprocally connected through excitatory amino acid pathways. Cortical excitatory responses resulting from activation of either the mediodorsal thalamic nucleus-prefrontal cortex pathway (short latency) or the recurrent collaterals of prefrontal cortex-me...
journal_title：European journal of pharmacology
pub_type： 杂志文章
doi：10.1016/0014-2999(95)00377-w
更新日期：1995-10-04 00:00:00
abstract：:Some studies have suggested that drug tolerance observed following repeated benzodiazepine exposure may be associated with the development of a subsensitivity to gamma-aminobutyric acid (GABA) in dorsal raphe and hippocampal neurons. In other areas such as the substantia nigra such subsensitivity has not been found. T...
journal_title：European journal of pharmacology
pub_type： 杂志文章
doi：10.1016/0014-2999(96)00053-2
更新日期：1996-04-22 00:00:00
abstract：:Clopidogrel is not safe enough for the gastric mucosa in patients with high risk of peptic ulcer. This study aimed to explore if clopidogrel delays gastric ulcer healing and elucidate the involved mechanisms. Gastric ulcer was induced in rats and the ulcer size, mucosal epithelial cell proliferation of the ulcer margi...
journal_title：European journal of pharmacology
pub_type： 杂志文章
doi：10.1016/j.ejphar.2012.07.054
更新日期：2012-11-15 00:00:00
abstract：:Synaptic pathology is associated with protein accumulation events, and is thought by many to be the best correlate of cognitive impairment in normal aging and different types of dementia including Alzheimer's disease. Numerous studies point to the disruption of microtubule-based transport mechanisms as a contributor t...
journal_title：European journal of pharmacology
pub_type： 杂志文章
doi：10.1016/j.ejphar.2007.01.053
更新日期：2007-05-07 00:00:00
abstract：:Glutamatergic abnormalities are involved in several psychiatric disorders. Clinical evidence demonstrates altered glutamatergic neurotransmission in patients suffering from obsessive-compulsive disorder. MGS0039, (1R,2R,3R,5R,6R)-2-amino-3-(3,4-dichlorobenzyloxy)-6-fluorobicyclo[3.1.0]hexane-2,6-dicarboxylic acid, is ...
journal_title：European journal of pharmacology
pub_type： 杂志文章
doi：10.1016/j.ejphar.2004.08.016
更新日期：2004-10-06 00:00:00
abstract：:We report that certain substituted hexahydrobenzo[a]phenanthridines are novel high affinity ligands selective for the dopamine D3 receptor. These data demonstrate that substitutions on the heterocyclic nitrogen and the pendant phenyl ring of this nucleus cause a marked increase in both affinity and selectivity for dop...
journal_title：European journal of pharmacology
pub_type： 杂志文章
doi：10.1016/0014-2999(93)91012-c
更新日期：1993-08-03 00:00:00
abstract：:3H-Glycine was released by 50 mM K+ in a calcium-dependent manner from rat substantia nigra slices. This release was abolished by GABA (0.1-1 mM) and muscimol (0.1 mM). Taurine and beta-alanine were without effect on evoked 3H-glycine release. The effect of GABA (0.5 mM) was reversed picrotoxin (50 micro M). These res...
journal_title：European journal of pharmacology
pub_type： 杂志文章
doi：10.1016/0014-2999(80)90041-2
更新日期：1980-06-13 00:00:00
abstract：:Dantrolene sodium (DaNa) markedly depressed the frequency of spontaneous miniature potentials at the frog neuromuscular junction. Its action is still observed at low [Ca2+]o and is little affected by temperature; its effect is not readily reversible. Theophylline antagonises the action of DaNa. DaNa prevents the stimu...
journal_title：European journal of pharmacology
pub_type： 杂志文章
doi：10.1016/0014-2999(76)90122-9
更新日期：1976-09-01 00:00:00
abstract：:Our purpose was to verify if alcohol causes alterations on translocation of Ca(2+) and tension induced by KCl or noradrenaline in vas deferens of periadolescent Wistar rats. A single dose of alcohol (i.p. 3.0g/kg) or saline as control, was given 4h before sacrifice. Longitudinal strips of prostatic portion were mounte...
journal_title：European journal of pharmacology
pub_type： 杂志文章
doi：10.1016/j.ejphar.2014.04.009
更新日期：2014-07-15 00:00:00
abstract：:The effect of xanthone on smooth muscle was studied in thoracic aorta isolated from rats. Xanthone relaxed the norepinephrine-induced contraction of rat thoracic aorta. This relaxing effect of xanthone persisted in endothelium-denuded aorta suggesting that the relaxation induced by xanthone is endothelium-independent....
journal_title：European journal of pharmacology
pub_type： 杂志文章
doi：10.1016/s0014-2999(97)01224-7
更新日期：1997-10-01 00:00:00
abstract：:Plasma adrenaline mainly originates from adrenaline-containing cells in the adrenal medulla, whereas plasma noradrenaline reflects not only the release from sympathetic nerves but also the secretion from noradrenaline-containing cells in the adrenal medulla. The present study was undertaken to examine the mechanisms i...
journal_title：European journal of pharmacology
pub_type： 杂志文章
doi：10.1016/j.ejphar.2009.01.032
更新日期：2009-03-15 00:00:00
abstract：:More recently, arsenic trioxide (ATO), was integrated into acute promyelocytic leukemia (APL) treatment, showing high efficacy and tolerability in patients with both ATRA-sensitive and ATRA-resistant APL. ATO could induce apoptosis at relatively high concentrations (0.5 to 2.0 micromol/L) and partial differentiation a...
journal_title：European journal of pharmacology
pub_type： 杂志文章
doi：10.1016/j.ejphar.2014.04.040
更新日期：2014-08-05 00:00:00
abstract：:5-methoxy-N,N-dimethyltryptamine (5-MeODMT) produced a dose-dependent decrease in the discharge rate of serotonin-containing neurons in the dorsal raphe nucleus of freely moving cats. This ranged from a 15% decrease at 10 microgran/kg, i.m., to a virtual complete depression of activity at 250 microgram/kg. 5-MeODMT's ...
journal_title：European journal of pharmacology
pub_type： 杂志文章
doi：10.1016/0014-2999(79)90406-0
更新日期：1979-02-15 00:00:00
abstract：:To investigate the neurotoxicity of amyloid-beta-(25-35), which is thought to be the active site of amyloid-beta, the peptide was injected into the lateral ventricle of rats. A single intracerebroventricular (i.c.v.) injection of amyloid-beta-(25-35) at a dose of 15 nmol/rat induced a marked decrease in latency in ste...
journal_title：European journal of pharmacology
pub_type： 杂志文章
doi：10.1016/s0014-2999(01)00730-0
更新日期：2001-02-02 00:00:00
abstract：:The opioid properties of endomorphin derivatives containing a C-terminal alcoholic(-ol) function were compared to the parent amidated compounds in isolated organs (longitudinal muscle strip of guinea-pig ileum and mouse vas deferens). Similar data were also generated for the mu-opioid receptor selective agonist synthe...
journal_title：European journal of pharmacology
pub_type： 杂志文章
doi：10.1016/s0014-2999(01)01014-7
更新日期：2001-06-01 00:00:00
abstract：:This study shows that in spontaneously hypertensive rats (SHR) of 14-weeks-old, the sympathetically-induced, but not noradrenaline-induced tachycardic response are higher than age-matched Wistar normotensive rats. Furthermore, in SHR the sympathetically-induced tachycardic response was: (1) unaffected by moxonidine (3...
journal_title：European journal of pharmacology
pub_type： 杂志文章
doi：10.1016/j.ejphar.2016.08.017
更新日期：2016-11-15 00:00:00
abstract：:The experiments concerned the effect of ethacrynic acid (0.5 mM) on the adenosine triphosphate (ATP) content of rat mast cells and the effect on histamine release induced by the ionophore A23187 (10 microM). Ethacrynic acid decreased the ATP level of the cells in presence of antimycin A and glucose as well as in prese...
journal_title：European journal of pharmacology
pub_type： 杂志文章
doi：10.1016/0014-2999(83)90285-6
更新日期：1983-09-02 00:00:00
